Overview of Miscarriage and Stillbirth You have recently experienced a pregnancy loss. Along with crushing sadness, there are many questions. Was it something I did? Could I have prevented this? Why did this happen? Whether your loss was early miscarriage, second-trimester loss, or stillbirth, you lost your baby. And the grief and need to understand is natural. Pregnancy loss is medically complex. Causes vary depending on the stage of pregnancy. Often, despite testing, no cle